Finding the Fourth Proportional to 1,792.62, 2,685.69 and 1,021.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,792.62 : 2,685.69 = 1,021.50 : x
2. Step 2: Convert to fraction form
   1,792.62/2,685.69 = 1,021.50/x
3. Step 3: Cross multiply
   1,792.62x = 2,685.69 × 1,021.50
4. Step 4: Simplify right side
   1,792.62x = 2,743,432.34
5. Step 5: Solve for x
   x = 2,743,432.34/1,792.62
6. Step 6: Final answer
   x = 1,530.40